Garrett County, Maryland is hosting the International Canoe Federation Slalom World Championships in McHenry Maryland September 17-21, 2014, the Cumberland Times-News reports. The Adventure Sports Center International is the prestigious venue for the event and is the Only Mountaintop re-circulating whitewater course in the World. As described on the ICF website, Olympic-level athletes from over 35 countries compete for the gold in this historic event.  The widely publicized competition is also expected to bring an economic boost to…